{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "process characterization", "enabling technology", "machine or equipment", "manufacturing standard", "biomedical"], "input": "The objective of the research was to develop an enhanced BOM ( E.BOM ) for WAAM , which takes the spreading of the weld beads into consideration ."}
{"engineering feature": [], "process characterization": [], "enabling technology": [], "machine or equipment": [], "manufacturing standard": [], "biomedical": []}